Where it falls short is that individual choices cannot fix systemic issues larger than the individual. That requires a systemic fix pushed for by collective action. And sure, collective action is built on individual choices to join that collective action but there's more to it than that.
Moving away from Facebook is good, but it does not protect you from the next predatory practice unless collective preventative measures are taken.
People can’t be trusted to make decisions for themselves because cigarettes / alcohol / social media / sugar / pornography is addictive. And since their bad choices have negative consequences on third parties because of health care costs / bad politics / family breakdown, we should get to tell them what to do.
I consider social media to be largely harmful, but so is beer and soda. Life is too short to be angry about what others chose to do.